133788316 has 12 divisors (see below), whose sum is σ = 234261720. Its totient is φ = 66856400.

The previous prime is 133788307. The next prime is 133788331. The reversal of 133788316 is 613887331.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 535 + ... + 16366.

It is an arithmetic number, because the mean of its divisors is an integer number (19521810).

Almost surely, 2^133788316 is an apocalyptic number.

It is an amenable number.

133788316 is a deficient number, since it is larger than the sum of its proper divisors (100473404).

133788316 is a wasteful number, since it uses less digits than its factorization.

133788316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18884 (or 18882 counting only the distinct ones).

The product of its digits is 72576, while the sum is 40.

The square root of 133788316 is about 11566.6899327336. The cubic root of 133788316 is about 511.4533910563.

The spelling of 133788316 in words is "one hundred thirty-three million, seven hundred eighty-eight thousand, three hundred sixteen".